Decide Whether Applying One-Standard-Deviation Chi-Square Procedures to the Given Data $\begin{array} { l l l l l l } 22 & 30 & 34 & 37 & 40 & 45 \\ 49 & 53 & 58 & 65 & 74 & 87 \end{array}$

Essay

Decide whether applying one-standard-deviation chi-square procedures to the given data appears reasonable. Explainyour answer.
-Test scores for a random sample of 12 students were as follows: $\begin{array} { l l l l l l } 22 & 30 & 34 & 37 & 40 & 45 \\ 49 & 53 & 58 & 65 & 74 & 87 \end{array}$